Q.
Statement 1: If the frequency of alternating current in an AC circuit consisting of an inductance coil is increased, then current gets decreased.Statement 2: The current is inversely proportional to frequency of alternating current.
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a
Both statements 1 and 2 are correct
b
Statement 1 is correct statement 2 is incorrect
c
Statement 1 is incorrect statement 2 is correct
d
Both statements 1 and 2 are incorrect
answer is A.
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Detailed Solution
When frequency of an alternating current is increased, the effective resistance of the inductive coil increases. current XL=ωL=2πfL in the circuit containing inductor is given by I=VXL=V2πfL. As inductive resistance of the inductor increases, current in the circuit decreases.
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